ὄϊος
From LSJ
τὸν ἀπὸ γραμμᾶς κινεῖν λίθον → move one's man from this line, move a piece from this line, try one's last chance, make a last ditch effort
English (LSJ)
οἰός, gen. of ὄϊς, οἶς.
ὄϊος [ῐ], α, ον, (ὄϊς)
A of a sheep, γάλα ὄ. ewe-milk, Hp.Vict.2.41; ὄϊον ἔριον Polem.Hist.88; οἰὸς οἰότερον more sheepish than a sheep, Sophr. 122 (v. dub.). (In Hp. and Polem.Hist.ll.cc. ὄειος (like βόειος) should be read; cf. ὀέα.)
German (Pape)
[Seite 311] vom Schaafe; γάλα, Schaafmilch, Hippocr.; ἔρι ον, Schaafwolle, Polemo bei Ath. XI, 478 d.
French (Bailly abrégé)
2gén. de ὄϊς.
Greek (Liddell-Scott)
ὄϊος: οἰός, γεν. τοῦ ὄϊς, οἶς.